.nav_slide{
  position: fixed;
  left: 5%;
  bottom: 10%;
  transition: linear 1s;
  box-sizing: border-box;
  color: #fff;
  z-index: 9999;
  display: none;
}
.nav_slide>span{
  display: block;
  cursor: pointer;
  width: 36px;
  height: 36px;
  background-color: #ff0036;
  margin-bottom: 2px;
  text-align: center;
  line-height: 36px;
}    
.nav_slide .slide_li{
  width: 36px;
  height: 36px;
  background-color: rgba(0,0,0,.6);
  line-height: 1;
  text-align: center;
  margin-bottom: 2px;
  padding:5px;
  box-sizing: border-box;
  cursor: pointer;
}
.nav_slide .slide_li:hover{
  background-color: hotpink;
}
.nav_slide section{
  width: 36px;
  height: 36px;
  background-color: rgba(0,0,0,.3);
  cursor: pointer;
  text-align: center;
  i{
    display: block;
    font-weight: 700;
  }
}